The SleSha are one of the the 37 mercenary races in the Galactic Union.
They resemble flightless wasps whose society is divided into castes that evolved for different purposes. Their drones and shock troops are not intelligent, but their pilots and engineers are very smart.
They are rarely hired as mercenaries anymore, and are now usually found as bandits and pirates. The pilots are highly sought after, though.
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Pronunciation: Shlee-sha